Abstract
Purpose of the review
Antiphospholipid syndrome (APS) is a rare systemic autoimmune disorder that can escalate into a 'thrombotic storm' called the catastrophic antiphospholipid syndrome (CAPS), frequently requiring ICU admission for multiple organ failure. This review aims to offer insight and recent evidence on critically-ill APS patients.
Recent findings
The CAPS classification criteria define this condition as the involvement of at least three organs/systems/tissues within less than a week, caused by small vessel thrombosis, in patients with elevated antiphospholipid antibodies levels. These criteria do not encompass the full spectrum of critically-ill thrombotic APS patients and they need to be cautiously used for the bedside diagnosis of CAPS. Thrombocytopenia is the laboratory hallmark of CAPS, sometimes dropping below 20G/L, but a complete thrombotic microangiopathy pattern is infrequent. Anticoagulation is the pivotal treatment for APS and CAPS, associated with improved outcome. Triple therapy – the combination of anticoagulation, high-dose corticosteroids, and either plasma exchange or intravenous immunoglobulins – remains the standard treatment for CAPS patients. Eculizumab, an anti-C5 monoclonal antibody, may be useful in refractory patients.
Summary
Despite significant progress, CAPS mortality rate remains high. Its diagnosis and management are complex, requiring a close multidisciplinary cross talk between APS specialists and intensivists.
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Abbreviations
- aβ2GP1:
-
Anti-β2-glycoprotein 1 autoantibodies
- aCL:
-
Anti-cardiolipin autoantibodies
- ADAMTS 13:
-
A disintegrin and metalloprotease with thrombospondin type I repeats-13
- aPL:
-
Antiphospholipid autoantibodies
- APS:
-
Antiphospholipid syndrome
- CAPS:
-
Catastrophic antiphospholipid syndrome
- CVD:
-
Cardiovascular disease
- ICU:
-
Intensive care unit
- INR:
-
International normalized ratio
- LA:
-
Lupus anticoagulant
- LMWH:
-
Low molecular weight heparin
- LVEF:
-
Left ventricle ejection fraction
- SLE:
-
Systemic lupus erythematosus
- UFH:
-
Unfractioned heparin
- VKA:
-
Vitamin K agonist
- VTE:
-
Venous thromboembolism
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Moyon, Q., Mathian, A., Papo, M. et al. Antiphospholipid Patients Admitted in the Intensive Care Unit: What Must The Rheumatologist Know?. Curr Rheumatol Rep (2024). https://doi.org/10.1007/s11926-024-01148-7
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DOI: https://doi.org/10.1007/s11926-024-01148-7